/**
 * <copyright>
 * 
 * Copyright (c) 2010 SAP AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Reiner Hille-Doering (SAP AG) - initial API and implementation and/or initial documentation
 * 
 * </copyright>
 */
package org.eclipse.bpmn2.impl;

import org.eclipse.bpmn2.Bpmn2Package;
import org.eclipse.bpmn2.Import;
import org.eclipse.bpmn2.ItemDefinition;
import org.eclipse.bpmn2.ItemKind;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Item Definition</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.bpmn2.impl.ItemDefinitionImpl#isIsCollection <em>Is Collection</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.ItemDefinitionImpl#getImport <em>Import</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.ItemDefinitionImpl#getItemKind <em>Item Kind</em>}</li>
 *   <li>{@link org.eclipse.bpmn2.impl.ItemDefinitionImpl#getStructureRef <em>Structure Ref</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ItemDefinitionImpl extends RootElementImpl implements ItemDefinition {
    /**
     * The default value of the '{@link #isIsCollection() <em>Is Collection</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isIsCollection()
     * @generated
     * @ordered
     */
    protected static final boolean IS_COLLECTION_EDEFAULT = false;

    /**
     * The cached value of the '{@link #isIsCollection() <em>Is Collection</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #isIsCollection()
     * @generated
     * @ordered
     */
    protected boolean isCollection = IS_COLLECTION_EDEFAULT;

    /**
     * The cached value of the '{@link #getImport() <em>Import</em>}' reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getImport()
     * @generated
     * @ordered
     */
    protected Import import_;

    /**
     * The default value of the '{@link #getItemKind() <em>Item Kind</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getItemKind()
     * @generated
     * @ordered
     */
    protected static final ItemKind ITEM_KIND_EDEFAULT = ItemKind.PHYSICAL;

    /**
     * The cached value of the '{@link #getItemKind() <em>Item Kind</em>}' attribute.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getItemKind()
     * @generated
     * @ordered
     */
    protected ItemKind itemKind = ITEM_KIND_EDEFAULT;

    /**
     * The cached value of the '{@link #getStructureRef() <em>Structure Ref</em>}' reference.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @see #getStructureRef()
     * @generated
     * @ordered
     */
    protected EObject structureRef;

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected ItemDefinitionImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected EClass eStaticClass() {
        return Bpmn2Package.Literals.ITEM_DEFINITION;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public boolean isIsCollection() {
        return isCollection;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setIsCollection(boolean newIsCollection) {
        boolean oldIsCollection = isCollection;
        isCollection = newIsCollection;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.ITEM_DEFINITION__IS_COLLECTION, oldIsCollection, isCollection));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Import getImport() {
        if (import_ != null && import_.eIsProxy()) {
            InternalEObject oldImport = (InternalEObject) import_;
            import_ = (Import) eResolveProxy(oldImport);
            if (import_ != oldImport) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE,
                            Bpmn2Package.ITEM_DEFINITION__IMPORT, oldImport, import_));
            }
        }
        return import_;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Import basicGetImport() {
        return import_;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setImport(Import newImport) {
        Import oldImport = import_;
        import_ = newImport;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.ITEM_DEFINITION__IMPORT, oldImport, import_));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public ItemKind getItemKind() {
        return itemKind;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setItemKind(ItemKind newItemKind) {
        ItemKind oldItemKind = itemKind;
        itemKind = newItemKind == null ? ITEM_KIND_EDEFAULT : newItemKind;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.ITEM_DEFINITION__ITEM_KIND, oldItemKind, itemKind));
    }

    /**
     * <!-- begin-user-doc -->TODO: cautious resolution of proxy
     * <!-- end-user-doc -->
     * @generated
     */
    public Object getStructureRef() {
        if (structureRef != null && structureRef.eIsProxy()) {
            InternalEObject oldStructureRef = (InternalEObject) structureRef;
            structureRef = eResolveProxy(oldStructureRef);
            if (structureRef != oldStructureRef) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE,
                            Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF, oldStructureRef,
                            structureRef));
            }
        }
        return structureRef;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public Object basicGetStructureRef() {
        return structureRef;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public void setStructureRef(Object newStructureRef) {
        Object oldStructureRef = structureRef;
        structureRef = (EObject) newStructureRef;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET,
                    Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF, oldStructureRef, structureRef));
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
        case Bpmn2Package.ITEM_DEFINITION__IS_COLLECTION:
            return isIsCollection();
        case Bpmn2Package.ITEM_DEFINITION__IMPORT:
            if (resolve)
                return getImport();
            return basicGetImport();
        case Bpmn2Package.ITEM_DEFINITION__ITEM_KIND:
            return getItemKind();
        case Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF:
            if (resolve)
                return getStructureRef();
            return basicGetStructureRef();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eSet(int featureID, Object newValue) {
        switch (featureID) {
        case Bpmn2Package.ITEM_DEFINITION__IS_COLLECTION:
            setIsCollection((Boolean) newValue);
            return;
        case Bpmn2Package.ITEM_DEFINITION__IMPORT:
            setImport((Import) newValue);
            return;
        case Bpmn2Package.ITEM_DEFINITION__ITEM_KIND:
            setItemKind((ItemKind) newValue);
            return;
        case Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF:
            setStructureRef((Object) newValue);
            return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void eUnset(int featureID) {
        switch (featureID) {
        case Bpmn2Package.ITEM_DEFINITION__IS_COLLECTION:
            setIsCollection(IS_COLLECTION_EDEFAULT);
            return;
        case Bpmn2Package.ITEM_DEFINITION__IMPORT:
            setImport((Import) null);
            return;
        case Bpmn2Package.ITEM_DEFINITION__ITEM_KIND:
            setItemKind(ITEM_KIND_EDEFAULT);
            return;
        case Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF:
            setStructureRef((Object) null);
            return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public boolean eIsSet(int featureID) {
        switch (featureID) {
        case Bpmn2Package.ITEM_DEFINITION__IS_COLLECTION:
            return isCollection != IS_COLLECTION_EDEFAULT;
        case Bpmn2Package.ITEM_DEFINITION__IMPORT:
            return import_ != null;
        case Bpmn2Package.ITEM_DEFINITION__ITEM_KIND:
            return itemKind != ITEM_KIND_EDEFAULT;
        case Bpmn2Package.ITEM_DEFINITION__STRUCTURE_REF:
            return structureRef != null;
        }
        return super.eIsSet(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public String toString() {
        if (eIsProxy())
            return super.toString();

        StringBuffer result = new StringBuffer(super.toString());
        result.append(" (isCollection: ");
        result.append(isCollection);
        result.append(", itemKind: ");
        result.append(itemKind);
        result.append(')');
        return result.toString();
    }

} //ItemDefinitionImpl
